Research Article

Nocturnal Hypoxia Improves Glucose Disposal, Decreases Mitochondrial Efficiency, and Increases Reactive Oxygen Species in the Muscle and Liver of C57BL/6J Mice Independent of Weight Change

Table 2

Glucose transporter (GLUT1–4) expression relative to β-actin in the muscle and liver after two-week exposure to room air (Air), nocturnal 10% hypoxia (N10%), and continuous 10% hypoxia (C10%) in lean and obese mice. Data shown as mean ± s.e.m. Two-way ANOVA showed increased GLUT1 expression for obese mice relative to lean mice in both muscle (F(1,12) = 13.4; ) and liver (F(1,12) = 10.2; ).

AirN10%C10%

MuscleGLUT1Lean0.32 ± 0.040.27 ± 0.030.28 ± 0.02
Obese0.33 ± 0.040.48 ± 0.040.45 ± 0.03
GLUT4Lean0.42 ± 0.020.39 ± 0.010.43 ± 0.04
Obese0.34 ± 0.030.38 ± 0.030.39 ± 0.04

LiverGLUT1Lean0.31 ± 0.020.32 ± 0.050.29 ± 0.02
Obese0.51 ± 0.110.60 ± 0.110.54 ± 0.09
GLUT2Lean0.50 ± 0.040.46 ± 0.060.51 ± 0.07
Obese0.47 ± 0.010.37 ± 0.010.44 ± 0.07
GLUT3Lean0.71 ± 0.140.70 ± 0.130.70 ± 0.16
Obese0.64 ± 0.150.57 ± 0.150.52 ± 0.08